PH 500
PH 500 is a moderate strength electrolyte drink designed to help you stay hydrated when you're sweating. Dissolve 1 tablet in 500ml of water.
Dietary info
Strength
Quantity (15 tablets per tube)
£8.99
(346)
In stock at our warehouse, available for delivery
Shipping
🕒 Orders placed before 3pm GMT Mon-Fri despatched same day, exc. bank hols
Stay Hydrated
Our low-calorie electrolyte tablets come in different strengths to match how YOU sweat. PH 500 is a moderate strength electrolyte drink typically used by athletes with low to moderate sweat/sodium losses.
Low in calories, ideal for fasted-training and LCHF lifestyle
Independently batch tested for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list
Vegan
Weight / space efficient tubes
Dissolve in 500ml of water
Hypotonic formula enhances the absorption of water during exercise
Key Features
Directions
Nutritional Information
Ingredients
Dietary Information
FAQ
"Precision Fuel & Hydration have been a secret weapon for me over the last 6 years"
Emma Pallant-Browne
Multiple IRONMAN® 70.3® Champion
"Most athletes drastically underestimate their carbohydrate, fluid and sodium requirements for training and racing, but with the help of Precision Fuel & Hydration I've been able to dial in my personal needs to perform at my best."
Jeanni Metzler
2nd at 2021 IRONMAN® 70.3® World Champs
"Working with Precision Fuel & Hydration has ensured I perform at my very best. They've helped me develop a fueling and hydration strategy that works for me."
Leon Chevalier
IRONMAN® Mallorca champion
"Precision Fuel & Hydration have helped me perform at my best through their education and product range."
Fenella Langridge
2024 IRONMAN® Western Australia Champ
"Discovering Precision Fuel & Hydration has been a game changer for me. It's solved all of my race hydration needs and has saved me from meltdown a number of times."
Sarah Crowley
3rd at 2019 IRONMAN® World Champs
"Precision Fuel & Hydration's advice and products have been unbelieveably helpful in my successful move up the distances."
Sam Appleton
16x IRONMAN® 70.3® Champion
Reviews
Write a review346 reviews
JACK R (17YRS) MOUNTAIN BIKER
11/12/2025
New to the world of sports fuel & hydration for MTB Racing
Shopping is very easy, products are well packaged and most importantly they do exactly as claimed. We noticed a performance benefit during MTB Enduro Championship Events.
PETE OLIVER CYCLIST
9/12/2025
Best anti-cramp tablets ever!
I was struggling with cramp so tried these, couldn't believe how good they are they sorted the cramp out in an instance!
KIRK EICHENBERG RUNNER
8/12/2025
Gels/Salt/Powder are all awesome!
The products are awesome. Very easy on my stomach and easy to consume on hard effort runs. I also appreciate the hand written notes. Please keep that up. I think that’s awesome you take the time to write something. That’s really cool.
ANNA JONES CYCLIST
8/12/2025
Excellent service
Excellent and efficient service , would highly recommend
JOHN C ATHLETE
1/12/2025
Great product
We have bought the Precision Hydration tablets for the past 5 years. We use them for our water bottles when going to the gym. We also use them when we are on hot climates such as Africa and the Far East. They help maintain our electrolyte levels. A great product which we will continue to buy.
LENNERT BRAL TRIATHLETE
28/11/2025
Global opinion about PFAH
Precision Fuel & Hydration delivers exactly what endurance athletes need: clear, easy-to-digest fueling and customizable hydration options. I really appreciate the transparency in their carb and electrolyte labeling, and the products are gentle on the stomach even during long sessions. The mild flavors work well when you’re training for hours, and the variety of gels, chews, and drink mixes makes it easy to tailor your plan. Overall, a reliable, well-designed system for anyone serious about perf...
NAOMI SHINKINS TRIATHLETE
27/11/2025
Nutrition game changer
PFandH products are the best I have found for xtri racing. I’ve had stomach issues with other products but I can race on PFandH products for 14 hrs + and I’ve had no issues. Game changer!
GABI TRIATHLETE
23/11/2025
The buddy I needed to hold my hands during my first full Ironman
I decided one day that I want to do an Ironman. One year late I did. Since I am not a hard core triathlete I had to learn a lot. One of my biggest fears was that I do not get the hydration & fueling right. I saw some interviews with Precision Fuel & Hydration on GTN: all made perfect sense, the Team was scientific and easy to understand. I checked out the website where in a few minutes I had my full Ironman fueling and hydration plan and the opportunity to any time chat with the Team or have vid...
MARK CAWLEY TRIATHLETE
11/11/2025
Great products great service.
Great advice and service. Great tasting products.
MAX TRIATHLETE
9/11/2025
Perfect!
I really enjoy the subtle taste and the ability to choose the right amount of sodium for each workout. No GI issues so far. Beyond the products, the brand has a great sense of humor, plus fast shipping and responsive customer support. To quote the PF&H marketing team: “Got 99 problems, but hydration and fueling ain’t one.” :)